Placozoa are among the simplest animals in the world. They were initially discovered living on the walls of aquariums in a European laboratory in the 1880s, and are thought to live naturally ...

Studying one of the simplest animals, Stanford's Prakash Lab uncovered how it folds itself into complex shapes—revealing new insights into a fundamental cellular feature and the origins of tissue ...

A new neuroscience study shows how stimuli and states such as smells, stressors and satiety converge in an olfactory neuron to guide food-seeking behavior in the model organism C. elegans. Say you ...

Can a fly think? How about a dolphin? The mental lives of animals are turning out to be surprisingly complex AT FIRST, the New Caledonian crow simply watches the menacing presence suspiciously, ...

This tiny, simple animal, the Myxozoans, evolved from something bigger and more complex. We tend to think that evolution only goes in one direction— toward getting bigger and more advanced. But that’s ...